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How to get permutation of two halves of given numbers range 1 to n separately and then concatenate.

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chandra Naik on 26 Jul 2019

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https://au.mathworks.com/matlabcentral/answers/473540-how-to-get-permutation-of-two-halves-of-given-numbers-range-1-to-n-separately-and-then-concatenate

Answered: Bruno Luong on 26 Jul 2019

Accepted Answer: Bruno Luong

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Ex:

suppose

n=10,
n1=1:5
perm(n1)=1,3,4,2,5
n2=6:10
perm(n2)=6,8,7,10,9
perm(n)=concatenate(n1,n2)=1,3,4,2,5,6,8,7,10,9

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Accepted Answer

Bruno Luong on 26 Jul 2019

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Direct link to this answer

https://au.mathworks.com/matlabcentral/answers/473540-how-to-get-permutation-of-two-halves-of-given-numbers-range-1-to-n-separately-and-then-concatenate#answer_384882

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>> n=10
n =
    10
>> [randperm(n/2), n/2+randperm(n/2)]
ans =
     5     3     4     2     1     7     9    10     8     6
>> 

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